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Tom Lane 2131c049d3 Avoid calling gettext() in signal handlers. ... It seems highly unlikely that gettext() can be relied on to be async-signal-safe. psql used to understand that, but someone got it wrong long ago in the src/bin/scripts/ version of handle_sigint, and then the bad idea was perpetuated when those two versions were unified into src/fe_utils/cancel.c. I'm unsure why there have not been field complaints about this ... maybe gettext() is signal-safe once it's translated at least one message? But we have no business assuming any such thing. In cancel.c (v13 and up), I preserved our ability to localize "Cancel request sent" messages by invoking gettext() before the signal handler is set up. In earlier branches I just made src/bin/scripts/ not localize those messages, as psql did then. (Just for extra unsafety, the src/bin/scripts/ version was invoking fprintf() from a signal handler. Sigh.) Noted while fixing signal-safety issues in PQcancel() itself. Back-patch to all supported branches. Discussion: https://postgr.es/m/2937814.1641960929@sss.pgh.pa.us		4 years ago
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.gitignore	Move psql's psqlscan.l into src/fe_utils.	10 years ago
Makefile	Update copyright for 2022	4 years ago
archive.c	Update copyright for 2022	4 years ago
cancel.c	Avoid calling gettext() in signal handlers.	4 years ago
conditional.c	Update copyright for 2022	4 years ago
connect_utils.c	Update copyright for 2022	4 years ago
mbprint.c	Update copyright for 2022	4 years ago
option_utils.c	Update copyright for 2022	4 years ago
parallel_slot.c	Update copyright for 2022	4 years ago
print.c	Update copyright for 2022	4 years ago
psqlscan.l	Update copyright for 2022	4 years ago
query_utils.c	Update copyright for 2022	4 years ago
recovery_gen.c	Update copyright for 2022	4 years ago
simple_list.c	Update copyright for 2022	4 years ago
string_utils.c	Update copyright for 2022	4 years ago